Improvement in governor-valves



Mw/m- Gaf/MW.

HOY LITMQGRAPNER. WASHINGTON, D CA dntcd giant @anni @like Letterslatcnt N o. 98,322, 'dated December' 28, 1869.

IMPROVEMENT INA GOVERNOR-VALVES The Schedule referred to in theseLetters Patent and making par: ofthe same To whom it may concern:

Beit known that-I, THOMAS WARREN, of Flint, in the county of Genesee,and State of Michigan, have invented a new and useful Improvement inGovernor-Valves; and I do declare that the following is a true andaccurate description thereof, reference being had to the accompanyingdrawings, andv to the letters of reference marked thereon, and being apart of this specification, in which- Figure 1 is a perspective view ofmy invention, and

Figure 2 is a vertical section of the same.

Like letters indicate like part-s iu each figure.

The object of my invention is to construct a double governorslide-valve, working between vertical seats in a case, and so arrangedthat the pressure ot' the steam is the same on each ofthe valves, makingwhat is termed a balance-valve, for the more perfect regulation of thespeed of the engine to which lit is attached, and which is equally welladapted for regulating the supply ot' water delivered to a water-wheel.

My invention consists in the combination and arrangement of the severalparts of said valve, and of the case in which it is contained.

A, fig. l, represents a case, within which and oppo-I site to each otherare valve-seats B B', having one or more openings, C C', ,as may benecessary.

These openings lead into side-pipes D D', which terminate in a commonoutlet steam-pipe, E, under the case.

I F F are ordinary slide-valves, provided with ports G G', correspondingin size and number to the openings C C', and having a vertical travelonthe seats B B', and, to prevent swaying or lateral motion, areprovided with guides H.

The valvesli I4" are adjusted in their proper positions and there seemedby the right-and-left screws I,

' tapped into their backs, or by any other suitable device which willpermit the' valves to be set out against the seats snilcientlyvtoprevent leakage of steam, without creating undue friction between them.At the top of' each valve is a groove, J J', in which is placed a nut,K, to which .is secured the lower end of the 4valve-stein L, the upperend of which is connected to and actuated by any proper governor.

M are plates or covers for closing the chest or case N is theiuletsteam-pipe, which may enter the case A at the top or one side, asmaybe convenient.

Amon g the advantages which I claim for this device are the following:

The construction of' this valve is such that its open- I ings havesutlicient capacity to convey into the side, pipes all the steam whichmay enter the chest through the inlet steam-pipe, and consequentlypreventing any tendency to wire-drawing the steam iu passing through lthe slide-valves F F', provided with ports G G,'adjust' ingright-and-leit screws I, guides H, nut K, and valvestem L, in connectionwith any proper governor, when each ot' said parts isrconstructed asdescribed, and all arranged to operate as and for the purpose set forth.y

`THOMAS 'WARREN Witnesses i H. F. EBERTS, Guns. A. W. Riou.

